Features: 1/200s fast sync speed, 433MHz working frequency, universal for various brands of cameras. 30m triggering distance, it can provide professional performance in complicated indoor uses. 16 channels can meet your different environment demands, superior anti-interference capability. Tough plastic shell, solid and sturdy, long service life, stable performance. It can trigger multiple flash as long as the flash receiver has the same channel as the transmitter. With a adapter, allows it easily shift from 3.5mm plug and 6.35mm plug. Specification: Brand: NiceFoto Material: Plastic Color: Black Frequency: 433MHz Sync Speed: 1/200s Channel: 16 channels Sync Jack: 2.5mm Transmitter Size: approx. 6*3.8*3cm / 2.4*1.5*1.2in Receiver Size: approx. 7*5.5*3.5cm / 2.7*2.2*1.4in Weight: approx. 194g Package List: 1 x Transmitter (with battery) 1 x Receiver 1 x Adapter 1 x Manual 1、1/200s fast sync speed, 433MHz working frequency, universal for various brands of cameras. 2、30m triggering distance, it can provide professional performance in complicated indoor uses. 3、16 channels can meet your different environment demands, superior anti-interference capability. 4、It can trigger multiple flash as long as the flash receiver has the same channel as the transmitter. 5、With a adapter, allows it easily shift from 3.5mm plug and 6.35mm plug.